http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Louisiana, Mississippi River, New Orleans to Baton Rouge
maps : both sides, color ; on sheet 51 x 150 cm., folded to 26 x 13 cm.
Relief shown by contours. Depths shown by isolines and soundings.
Includes nautical chart diagram and profiles of average low water plane.